private void makeBuildable(BuildableItem p) {
if (Hudson.FLYWEIGHT_SUPPORT && p.task instanceof FlyweightTask) {
ConsistentHash<Node> hash =
new ConsistentHash<Node>(
new Hash<Node>() {
public String hash(Node node) {
return node.getNodeName();
}
});
Hudson h = Hudson.getInstance();
hash.add(h, h.getNumExecutors() * 100);
for (Node n : h.getNodes()) hash.add(n, n.getNumExecutors() * 100);
for (Node n : hash.list(p.task.getFullDisplayName())) {
Computer c = n.toComputer();
if (c == null) continue;
c.startFlyWeightTask(p);
return;
}
// if the execution get here, it means we couldn't schedule it anywhere.
// so do the scheduling like other normal jobs.
}
buildables.put(p.task, p);
}
@Override
public String getWhy() {
Hudson hudson = Hudson.getInstance();
if (hudson.isQuietingDown()) return Messages.Queue_HudsonIsAboutToShutDown();
Label label = task.getAssignedLabel();
if (hudson.getNodes().isEmpty())
label = null; // no master/slave. pointless to talk about nodes
String name = null;
if (label != null) {
name = label.getName();
if (label.isOffline()) {
if (label.getNodes().size() > 1) return Messages.Queue_AllNodesOffline(name);
else return Messages.Queue_NodeOffline(name);
}
}
if (name == null) return Messages.Queue_WaitingForNextAvailableExecutor();
else return Messages.Queue_WaitingForNextAvailableExecutorOn(name);
}
